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Fix SerializeSnapshot not to overrun the allocated space.

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Rushabh Lathia
This commit is contained in:
Robert Haas 2016-03-04 13:47:05 -05:00
parent 369c0b0908
commit 763b8f5d90
1 changed files with 1 additions and 1 deletions
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2
src/backend/utils/time/snapmgr.c
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@ -1515,7 +1515,7 @@ SerializeSnapshot(Snapshot snapshot, char *start_address)
* snapshot taken during recovery; all the top-level XIDs are in subxip as
* well in that case, so we mustn't lose them.
*/
if (snapshot->subxcnt > 0)
if (serialized_snapshot->subxcnt > 0)
{
Size subxipoff = sizeof(SerializedSnapshotData) +
snapshot->xcnt * sizeof(TransactionId);